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Message-Id: <1173078783.5264.158.camel@roc-desktop>
Date: Mon, 05 Mar 2007 15:13:03 +0800
From: "Wu, Bryan" <bryan.wu@...log.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
bert.hubert@...herlabs.nl, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 1/5] Blackfin: blackfin architecture patch update
On Sat, 2007-03-03 at 15:38 -0500, Arnd Bergmann wrote:
> On Thursday 01 March 2007 05:14:40 Wu, Bryan wrote:
> > The whole patch is located at URL:
> >
> https://blackfin.uclinux.org/gf/download/frsrelease/39/2583/blackfin-arch.p
> >atch The incremental patch is located at URL:
> >
> https://blackfin.uclinux.org/gf/download/frsrelease/39/2584/blackfin-arch-m
> >m2-update.patch
>
> I'm not sure if that was intentional, but the second patch does not
> apply
> on top of the -mm kernel but rather patch the the patch old itself.
> This basically makes it impossible to review just that part, so
> better
> provide the diff between the kernel with the old patch and the kernel
> with the new patch next time.
>
Sorry for messing up this incremental patch. Here is the updated
incremental patch
Signed-off-by: Bryan Wu <bryan.wu@...log.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
arch/blackfin/Kconfig | 122 ++++++-
arch/blackfin/kernel/entry.S | 4
arch/blackfin/kernel/irqchip.c | 5
arch/blackfin/kernel/process.c | 48 ++
arch/blackfin/kernel/setup.c | 41 +-
arch/blackfin/kernel/signal.c | 5
arch/blackfin/kernel/sys_bfin.c | 16
arch/blackfin/kernel/time.c | 6
arch/blackfin/kernel/traps.c | 4
arch/blackfin/lib/ashldi3.c | 4
arch/blackfin/lib/ashrdi3.c | 4
arch/blackfin/lib/checksum.c | 4
arch/blackfin/lib/divsi3.S | 8
arch/blackfin/lib/lshrdi3.c | 4
arch/blackfin/lib/memcpy.S | 6
arch/blackfin/lib/memset.S | 6
arch/blackfin/lib/modsi3.S | 7
arch/blackfin/lib/muldi3.c | 4
arch/blackfin/lib/smulsi3_highpart.S | 6
arch/blackfin/lib/udivsi3.S | 9
arch/blackfin/lib/umodsi3.S | 5
arch/blackfin/lib/umulsi3_highpart.S | 6
arch/blackfin/mach-bf537/boards/stamp.c | 49 ++
arch/blackfin/mach-bf537/head.S | 1
arch/blackfin/mach-bf561/boards/generic_board.c | 2
arch/blackfin/mach-common/cache.S | 2
arch/blackfin/mach-common/cplbhdlr.S | 4
arch/blackfin/mach-common/cplbmgr.S | 4
arch/blackfin/mach-common/entry.S | 17 -
arch/blackfin/mach-common/ints-priority-dc.c | 4
arch/blackfin/mach-common/ints-priority-sc.c | 4
include/asm-blackfin/cplbinit.h | 397 ++++++++++++------------
include/asm-blackfin/delay.h | 5
include/asm-blackfin/dma-mapping.h | 5
include/asm-blackfin/mach-bf533/bf533.h | 11
include/asm-blackfin/mach-bf533/mem_map.h | 62 ++-
include/asm-blackfin/mach-bf537/bf537.h | 11
include/asm-blackfin/mach-bf537/defBF534.h | 2
include/asm-blackfin/mach-bf537/mem_map.h | 77 +++-
include/asm-blackfin/mach-bf561/bf561.h | 5
include/asm-blackfin/mach-bf561/mem_map.h | 28 +
include/asm-blackfin/pgtable.h | 8
include/asm-blackfin/uaccess.h | 41 --
include/asm-blackfin/unistd.h | 2
include/asm-blackfin/xor.h | 1
init/Kconfig | 3
46 files changed, 725 insertions(+), 344 deletions(-)
diff -uprN linux-2.6-orig/arch/blackfin/Kconfig linux-2.6/arch/blackfin/Kconfig
--- linux-2.6-orig/arch/blackfin/Kconfig 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/Kconfig 2007-03-05 11:57:23.000000000 +0800
@@ -9,6 +9,10 @@ config MMU
bool
default n
+config ZONE_DMA
+ bool
+ default y
+
config FPU
bool
default n
@@ -21,6 +25,10 @@ config RWSEM_XCHGADD_ALGORITHM
bool
default n
+config BLACKFIN
+ bool
+ default y
+
config BFIN
bool
default y
@@ -140,21 +148,14 @@ config BF_REV_0_5
endchoice
-config BLACKFIN
+config BFIN_DUAL_CORE
bool
- depends on (BF537 || BF536 \
- || BF534 || BF561 || BF535 || BF533 || BF532 || BF531)
+ depends on (BF561)
default y
config BFIN_SINGLE_CORE
bool
- depends on (BF537 || BF536 \
- || BF534 || BF535 || BF533 || BF532 || BF531)
- default y
-
-config BFIN_DUAL_CORE
- bool
- depends on (BF561)
+ depends on !BFIN_DUAL_CORE
default y
choice
@@ -427,11 +428,104 @@ comment "Memory Optimizations"
config I_ENTRY_L1
bool "Locate interrupt entry code in L1 Memory"
- default n
+ default y
help
If enabled interrupt entry code (STORE/RESTORE CONTEXT) is linked
into L1 instruction memory.(less latency)
+config EXCPT_IRQ_SYSC_L1
+ bool "Locate entire ASM lowlevel excepetion / interrupt - Syscall and CPLB handler code in L1 Memory"
+ default y
+ help
+ If enabled entire ASM lowlevel exception and interrupt entry code (STORE/RESTORE CONTEXT) is linked
+ into L1 instruction memory.(less latency)
+
+config DO_IRQ_L1
+ bool "Locate frequently called do_irq dispatcher function in L1 Memory"
+ default y
+ help
+ If enabled frequently called do_irq dispatcher function is linked
+ into L1 instruction memory.(less latency)
+
+config CORE_TIMER_IRQ_L1
+ bool "Locate frequently called timer_interrupt() function in L1 Memory"
+ default y
+ help
+ If enabled frequently called timer_interrupt() function is linked
+ into L1 instruction memory.(less latency)
+
+config IDLE_L1
+ bool "Locate frequently idle function in L1 Memory"
+ default y
+ help
+ If enabled frequently called idle function is linked
+ into L1 instruction memory.(less latency)
+
+config SCHEDULE_L1
+ bool "Locate kernel schedule function in L1 Memory"
+ default y
+ help
+ If enabled frequently called kernel schedule is linked
+ into L1 instruction memory.(less latency)
+
+config ARITHMETIC_OPS_L1
+ bool "Locate kernel owned arithmetic functions in L1 Memory"
+ default y
+ help
+ If enabled arithmetic functions are linked
+ into L1 instruction memory.(less latency)
+
+config ACCESS_OK_L1
+ bool "Locate access_ok function in L1 Memory"
+ default y
+ help
+ If enabled access_ok function is linked
+ into L1 instruction memory.(less latency)
+
+config MEMSET_L1
+ bool "Locate memset function in L1 Memory"
+ default y
+ help
+ If enabled memset function is linked
+ into L1 instruction memory.(less latency)
+
+config MEMCPY_L1
+ bool "Locate memcpy function in L1 Memory"
+ default y
+ help
+ If enabled memcpy function is linked
+ into L1 instruction memory.(less latency)
+
+config SYS_BFIN_SPINLOCK_L1
+ bool "Locate sys_bfin_spinlock function in L1 Memory"
+ default y
+ help
+ If enabled sys_bfin_spinlock function is linked
+ into L1 instruction memory.(less latency)
+
+config IP_CHECKSUM_L1
+ bool "Locate IP Checksum function in L1 Memory"
+ default n
+ help
+ If enabled IP Checksum function is linked
+ into L1 instruction memory.(less latency)
+
+config SYSCALL_TAB_L1
+ bool "Locate Syscall Table L1 Data Memory"
+ default n
+ depends on !BF531
+ help
+ If enabled the Syscall LUT is linked
+ into L1 data memory.(less latency)
+
+config CPLB_SWITCH_TAB_L1
+ bool "Locate CPLB Switch Tables L1 Data Memory"
+ default n
+ depends on !BF531
+ help
+ If enabled the CPLB Switch Tables are linked
+ into L1 data memory.(less latency)
+
endmenu
@@ -488,6 +582,10 @@ config BLKFIN_CACHE
bool "Enable ICACHE"
config BLKFIN_DCACHE
bool "Enable DCACHE"
+config BLKFIN_DCACHE_BANKA
+ bool "Enable only 16k BankA DCACHE - BankB is SRAM"
+ depends on BLKFIN_DCACHE && !BF531
+ default n
config BLKFIN_CACHE_LOCK
bool "Enable Cache Locking"
@@ -817,7 +915,7 @@ config DEBUG_KERNEL_START
config DEBUG_SERIAL_EARLY_INIT
bool "Initialize serial driver early"
default n
- depends on SERIAL_BLACKFIN
+ depends on SERIAL_BFIN
help
Say Y here if you want to get kernel output early when kernel
crashes before the normal console initialization. If this option
diff -uprN linux-2.6-orig/arch/blackfin/kernel/entry.S linux-2.6/arch/blackfin/kernel/entry.S
--- linux-2.6-orig/arch/blackfin/kernel/entry.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/entry.S 2007-03-05 11:57:23.000000000 +0800
@@ -36,7 +36,11 @@
#include <asm/mach-common/context.S>
+#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
+.section .l1.text
+#else
.text
+#endif
ENTRY(_ret_from_fork)
SP += -12;
diff -uprN linux-2.6-orig/arch/blackfin/kernel/irqchip.c linux-2.6/arch/blackfin/kernel/irqchip.c
--- linux-2.6-orig/arch/blackfin/kernel/irqchip.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/irqchip.c 2007-03-05 13:54:10.000000000 +0800
@@ -97,6 +97,11 @@ int show_interrupts(struct seq_file *p,
* come via this function. Instead, they should provide their
* own 'handler'
*/
+
+#ifdef CONFIG_DO_IRQ_L1
+asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)__attribute__((l1_text));
+#endif
+
asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
{
struct pt_regs *old_regs;
diff -uprN linux-2.6-orig/arch/blackfin/kernel/process.c linux-2.6/arch/blackfin/kernel/process.c
--- linux-2.6-orig/arch/blackfin/kernel/process.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/process.c 2007-03-05 13:54:10.000000000 +0800
@@ -97,6 +97,11 @@ static inline void leds_switch(int flag)
/*
* The idle loop on BFIN
*/
+#ifdef CONFIG_IDLE_L1
+static inline void default_idle(void)__attribute__((l1_text));
+void cpu_idle(void)__attribute__((l1_text));
+#endif
+
static inline void default_idle(void)
{
while (!need_resched()) {
@@ -346,3 +351,46 @@ unsigned long get_wchan(struct task_stru
while (count++ < 16);
return 0;
}
+
+#if !defined(CONFIG_NO_ACCESS_CHECK)
+int _access_ok(unsigned long addr, unsigned long size)
+{
+
+ if (addr > (addr + size))
+ return 0;
+ if (segment_eq(get_fs(),KERNEL_DS))
+ return 1;
+#ifdef CONFIG_MTD_UCLINUX
+ if (addr >= memory_start && (addr + size) <= memory_end)
+ return 1;
+ if (addr >= memory_mtd_end && (addr + size) <= physical_mem_end)
+ return 1;
+#else
+ if (addr >= memory_start && (addr + size) <= physical_mem_end)
+ return 1;
+#endif
+ if (addr >= (unsigned long)__init_begin &&
+ addr + size <= (unsigned long)__init_end)
+ return 1;
+ if (addr >= L1_SCRATCH_START
+ && addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH)
+ return 1;
+#if L1_CODE_LENGTH != 0
+ if (addr >= L1_CODE_START + (_etext_l1 - _stext_l1)
+ && addr + size <= L1_CODE_START + L1_CODE_LENGTH)
+ return 1;
+#endif
+#if L1_DATA_A_LENGTH != 0
+ if (addr >= L1_DATA_A_START + (_ebss_l1 - _sdata_l1)
+ && addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH)
+ return 1;
+#endif
+#if L1_DATA_B_LENGTH != 0
+ if (addr >= L1_DATA_B_START
+ && addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)
+ return 1;
+#endif
+ return 0;
+}
+EXPORT_SYMBOL(_access_ok);
+#endif
diff -uprN linux-2.6-orig/arch/blackfin/kernel/setup.c linux-2.6/arch/blackfin/kernel/setup.c
--- linux-2.6-orig/arch/blackfin/kernel/setup.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/setup.c 2007-03-05 11:57:23.000000000 +0800
@@ -309,6 +309,8 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_NOTICE "Warning: limiting memory to %liMB due to hardware anomaly 05000263\n", memory_end >> 20);
#endif /* ANOMALY_05000263 */
+ memory_end -= SIZE_4K; /*In case there is no valid CPLB behind memory_end make sure we don't get to close*/
+
init_mm.start_code = (unsigned long)_stext;
init_mm.end_code = (unsigned long)_etext;
init_mm.end_data = (unsigned long)_edata;
@@ -447,8 +449,8 @@ subsys_initcall(topology_init);
#if defined(CONFIG_BLKFIN_DCACHE) || defined(CONFIG_BLKFIN_CACHE)
u16 lock_kernel_check(u32 start, u32 end)
{
- if ((start <= (u32) _stext && end >= (u32) __bss_stop)
- || (start >= (u32) _stext && end <= (u32) __bss_stop))
+ if ((start <= (u32) _stext && end >= (u32) _end)
+ || (start >= (u32) _stext && end <= (u32) _end))
return IN_KERNEL;
return 0;
}
@@ -763,16 +765,12 @@ static int show_cpuinfo(struct seq_file
#endif
u_long cclk = 0, sclk = 0;
- u_int id;
+ u_int id, dcache_size = 0, dsup_banks = 0;
cpu = CPU;
mmu = "none";
fpu = "none";
- if (&bfin_board_name) {
- name = bfin_board_name;
- } else {
- name = "Unknown";
- }
+ name = bfin_board_name;
cclk = get_cclk();
sclk = get_sclk();
@@ -808,13 +806,36 @@ static int show_cpuinfo(struct seq_file
"\n");
else
seq_printf(m, "D-CACHE:\tOFF\n");
+
+
+ switch(bfin_read_DMEM_CONTROL() & (1 << DMC0_P | 1 << DMC1_P)) {
+ case ACACHE_BSRAM:
+ seq_printf(m, "DBANK-A:\tCACHE\n" "DBANK-B:\tSRAM\n");
+ dcache_size = 16;
+ dsup_banks = 1;
+ break;
+ case ACACHE_BCACHE:
+ seq_printf(m, "DBANK-A:\tCACHE\n" "DBANK-B:\tCACHE\n");
+ dcache_size = 32;
+ dsup_banks = 2;
+ break;
+ case ASRAM_BSRAM:
+ seq_printf(m, "DBANK-A:\tSRAM\n" "DBANK-B:\tSRAM\n");
+ dcache_size = 0;
+ dsup_banks = 0;
+ break;
+ default:
+ break;
+ }
+
+
seq_printf(m, "I-CACHE Size:\t%dKB\n", BLKFIN_ICACHESIZE / 1024);
- seq_printf(m, "D-CACHE Size:\t%dKB\n", BLKFIN_DCACHESIZE / 1024);
+ seq_printf(m, "D-CACHE Size:\t%dKB\n", dcache_size);
seq_printf(m, "I-CACHE Setup:\t%d Sub-banks/%d Ways, %d Lines/Way\n",
BLKFIN_ISUBBANKS, BLKFIN_IWAYS, BLKFIN_ILINES);
seq_printf(m,
"D-CACHE Setup:\t%d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
- BLKFIN_DSUPBANKS, BLKFIN_DSUBBANKS, BLKFIN_DWAYS,
+ dsup_banks, BLKFIN_DSUBBANKS, BLKFIN_DWAYS,
BLKFIN_DLINES);
#ifdef CONFIG_BLKFIN_CACHE_LOCK
lock = read_iloc();
diff -uprN linux-2.6-orig/arch/blackfin/kernel/signal.c linux-2.6/arch/blackfin/kernel/signal.c
--- linux-2.6-orig/arch/blackfin/kernel/signal.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/signal.c 2007-03-05 11:57:23.000000000 +0800
@@ -66,6 +66,11 @@ struct rt_sigframe {
struct ucontext uc;
};
+asmlinkage int sys_sigaltstack(const stack_t * uss, stack_t * uoss)
+{
+ return do_sigaltstack(uss, uoss, rdusp());
+}
+
static inline int
rt_restore_ucontext(struct pt_regs *regs, struct ucontext *uc, int *pr0)
{
diff -uprN linux-2.6-orig/arch/blackfin/kernel/sys_bfin.c linux-2.6/arch/blackfin/kernel/sys_bfin.c
--- linux-2.6-orig/arch/blackfin/kernel/sys_bfin.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/sys_bfin.c 2007-03-05 13:39:47.000000000 +0800
@@ -115,19 +115,3 @@ asmlinkage void *sys_dma_memcpy(void *de
{
return safe_dma_memcpy(dest, src, len);
}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
-{
- register long __res asm ("P0") = __NR_execve;
- register long __a asm ("R0") = (long)(filename);
- register long __b asm ("R1") = (long)(argv);
- register long __c asm ("R2") = (long)(envp);
- asm volatile ("raise 15" : "+d" (__a)
- : "d" (__res), "d" (__b), "d" (__c));
- return __a;
-}
-
diff -uprN linux-2.6-orig/arch/blackfin/kernel/time.c linux-2.6/arch/blackfin/kernel/time.c
--- linux-2.6-orig/arch/blackfin/kernel/time.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/time.c 2007-03-05 11:57:23.000000000 +0800
@@ -197,6 +197,10 @@ static inline int set_rtc_mmss(unsigned
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
*/
+#ifdef CONFIG_CORE_TIMER_IRQ_L1
+irqreturn_t timer_interrupt(int irq, void *dummy)__attribute__((l1_text));
+#endif
+
irqreturn_t timer_interrupt(int irq, void *dummy)
{
/* last time the cmos clock got updated */
@@ -243,7 +247,7 @@ void __init time_init(void)
* userspace to have to deal with time values greater than
* 2^31 seconds (which uClibc cannot cope with yet)
*/
- if (bfin_read_RTC_STAT() & 0x60000000) {
+ if ((bfin_read_RTC_STAT() & 0xC0000000) == 0xC0000000) {
printk(KERN_NOTICE "bfin-rtc: invalid date; resetting\n");
bfin_write_RTC_STAT(0);
}
diff -uprN linux-2.6-orig/arch/blackfin/kernel/traps.c linux-2.6/arch/blackfin/kernel/traps.c
--- linux-2.6-orig/arch/blackfin/kernel/traps.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/kernel/traps.c 2007-03-05 13:54:10.000000000 +0800
@@ -622,6 +622,10 @@ void dump_bfin_regs(struct pt_regs *fp,
printk("\n\n");
}
+#ifdef CONFIG_SYS_BFIN_SPINLOCK_L1
+asmlinkage int sys_bfin_spinlock(int *spinlock)__attribute__((l1_text));
+#endif
+
asmlinkage int sys_bfin_spinlock(int *spinlock)
{
int ret = 0;
diff -uprN linux-2.6-orig/arch/blackfin/lib/ashldi3.c linux-2.6/arch/blackfin/lib/ashldi3.c
--- linux-2.6-orig/arch/blackfin/lib/ashldi3.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/ashldi3.c 2007-03-05 11:57:23.000000000 +0800
@@ -31,6 +31,10 @@
#include "gcclib.h"
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+DItype __ashldi3(DItype u, word_type b)__attribute__((l1_text));
+#endif
+
DItype __ashldi3(DItype u, word_type b)
{
DIunion w;
diff -uprN linux-2.6-orig/arch/blackfin/lib/ashrdi3.c linux-2.6/arch/blackfin/lib/ashrdi3.c
--- linux-2.6-orig/arch/blackfin/lib/ashrdi3.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/ashrdi3.c 2007-03-05 11:57:23.000000000 +0800
@@ -31,6 +31,10 @@
#include "gcclib.h"
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+DItype __ashrdi3(DItype u, word_type b)__attribute__((l1_text));
+#endif
+
DItype __ashrdi3(DItype u, word_type b)
{
DIunion w;
diff -uprN linux-2.6-orig/arch/blackfin/lib/checksum.c linux-2.6/arch/blackfin/lib/checksum.c
--- linux-2.6-orig/arch/blackfin/lib/checksum.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/checksum.c 2007-03-05 11:57:23.000000000 +0800
@@ -34,6 +34,10 @@
#include <net/checksum.h>
#include <asm/checksum.h>
+#ifdef CONFIG_IP_CHECKSUM_L1
+static unsigned short do_csum(const unsigned char *buff, int len)__attribute__((l1_text));
+#endif
+
static unsigned short do_csum(const unsigned char *buff, int len)
{
register unsigned long sum = 0;
diff -uprN linux-2.6-orig/arch/blackfin/lib/divsi3.S linux-2.6/arch/blackfin/lib/divsi3.S
--- linux-2.6-orig/arch/blackfin/lib/divsi3.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/divsi3.S 2007-03-05 13:54:10.000000000 +0800
@@ -46,7 +46,13 @@
.global ___divsi3;
-.align 8;
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.align 2;
___divsi3 :
diff -uprN linux-2.6-orig/arch/blackfin/lib/lshrdi3.c linux-2.6/arch/blackfin/lib/lshrdi3.c
--- linux-2.6-orig/arch/blackfin/lib/lshrdi3.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/lshrdi3.c 2007-03-05 11:57:23.000000000 +0800
@@ -45,6 +45,10 @@ typedef union {
DItype ll;
} DIunion;
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+DItype __lshrdi3(DItype u, word_type b)__attribute__((l1_text));
+#endif
+
DItype __lshrdi3(DItype u, word_type b)
{
DIunion w;
diff -uprN linux-2.6-orig/arch/blackfin/lib/memcpy.S linux-2.6/arch/blackfin/lib/memcpy.S
--- linux-2.6-orig/arch/blackfin/lib/memcpy.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/memcpy.S 2007-03-05 11:57:23.000000000 +0800
@@ -36,6 +36,12 @@
#include <linux/linkage.h>
+#ifdef CONFIG_MEMCPY_L1
+.section .l1.text
+#else
+.text
+#endif
+
.align 2
ENTRY(_memcpy)
diff -uprN linux-2.6-orig/arch/blackfin/lib/memset.S linux-2.6/arch/blackfin/lib/memset.S
--- linux-2.6-orig/arch/blackfin/lib/memset.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/memset.S 2007-03-05 11:57:23.000000000 +0800
@@ -33,6 +33,12 @@
.align 2
+#ifdef CONFIG_MEMSET_L1
+.section .l1.text
+#else
+.text
+#endif
+
/*
* C Library function MEMSET
* R0 = address (leave unchanged to form result)
diff -uprN linux-2.6-orig/arch/blackfin/lib/modsi3.S linux-2.6/arch/blackfin/lib/modsi3.S
--- linux-2.6-orig/arch/blackfin/lib/modsi3.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/modsi3.S 2007-03-05 11:57:23.000000000 +0800
@@ -39,6 +39,13 @@
.type ___modsi3, STT_FUNC;
.extern ___divsi3;
.type ___divsi3, STT_FUNC;
+
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
+.text
+#endif
+
___modsi3:
CC=R0==0;
diff -uprN linux-2.6-orig/arch/blackfin/lib/muldi3.c linux-2.6/arch/blackfin/lib/muldi3.c
--- linux-2.6-orig/arch/blackfin/lib/muldi3.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/muldi3.c 2007-03-05 11:57:23.000000000 +0800
@@ -83,6 +83,10 @@ typedef union {
ditype ll;
} diunion;
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+ditype __muldi3(ditype u, ditype v)__attribute__((l1_text));
+#endif
+
ditype __muldi3(ditype u, ditype v)
{
diunion w;
diff -uprN linux-2.6-orig/arch/blackfin/lib/smulsi3_highpart.S linux-2.6/arch/blackfin/lib/smulsi3_highpart.S
--- linux-2.6-orig/arch/blackfin/lib/smulsi3_highpart.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/smulsi3_highpart.S 2007-03-05 11:57:23.000000000 +0800
@@ -2,6 +2,12 @@
.global ___smulsi3_highpart;
.type ___smulsi3_highpart, STT_FUNC;
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
+.text
+#endif
+
___smulsi3_highpart:
R2 = R1.L * R0.L (FU);
R3 = R1.H * R0.L (IS,M);
diff -uprN linux-2.6-orig/arch/blackfin/lib/udivsi3.S linux-2.6/arch/blackfin/lib/udivsi3.S
--- linux-2.6-orig/arch/blackfin/lib/udivsi3.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/udivsi3.S 2007-03-05 14:33:30.000000000 +0800
@@ -33,6 +33,13 @@
#define CARRY AC0
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
+.text
+#endif
+
+
ENTRY(___udivsi3)
CC = R0 < R1 (IU); /* If X < Y, always return 0 */
@@ -105,7 +112,7 @@ ENTRY(___udivsi3)
** with some post-adjustment
*/
R3 = R1 >> 1; /* Pre-scaled divisor for primitive case */
- R2 = R0 >> 16 ;
+ R2 = R0 >> 16;
R2 = R3 - R2; /* shifted divisor < upper 16 bits of dividend */
CC &= CARRY;
diff -uprN linux-2.6-orig/arch/blackfin/lib/umodsi3.S linux-2.6/arch/blackfin/lib/umodsi3.S
--- linux-2.6-orig/arch/blackfin/lib/umodsi3.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/umodsi3.S 2007-03-05 11:57:23.000000000 +0800
@@ -29,7 +29,12 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
.text
+#endif
+
.extern ___udivsi3;
.globl ___umodsi3
___umodsi3:
diff -uprN linux-2.6-orig/arch/blackfin/lib/umulsi3_highpart.S linux-2.6/arch/blackfin/lib/umulsi3_highpart.S
--- linux-2.6-orig/arch/blackfin/lib/umulsi3_highpart.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/lib/umulsi3_highpart.S 2007-03-05 11:57:23.000000000 +0800
@@ -2,6 +2,12 @@
.global ___umulsi3_highpart;
.type ___umulsi3_highpart, STT_FUNC;
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
+.text
+#endif
+
___umulsi3_highpart:
R2 = R1.H * R0.H, R3 = R1.L * R0.H (FU);
R0 = R1.L * R0.L, R1 = R1.H * R0.L (FU);
diff -uprN linux-2.6-orig/arch/blackfin/mach-bf537/boards/stamp.c linux-2.6/arch/blackfin/mach-bf537/boards/stamp.c
--- linux-2.6-orig/arch/blackfin/mach-bf537/boards/stamp.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-bf537/boards/stamp.c 2007-03-05 13:54:10.000000000 +0800
@@ -40,6 +40,8 @@
#include <linux/usb_isp1362.h>
#endif
#include <asm/irq.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
#include <asm/bfin5xx_spi.h>
#include <linux/usb_sl811.h>
@@ -54,6 +56,53 @@ char *bfin_board_name = "ADDS-BF537-STAM
* Driver needs to know address, irq and flag pin.
*/
+#define ISP1761_BASE 0x203C0000
+#define ISP1761_IRQ IRQ_PF7
+
+#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
+static struct resource bfin_isp1761_resources[] = {
+ [0] = {
+ .name = "isp1761-regs",
+ .start = ISP1761_BASE + 0x00000000,
+ .end = ISP1761_BASE + 0x000fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = ISP1761_IRQ,
+ .end = ISP1761_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct platform_device bfin_isp1761_device = {
+ .name = "isp1761",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_isp1761_resources),
+ .resource = bfin_isp1761_resources,
+};
+
+static struct platform_device *bfin_isp1761_devices[] = {
+ &bfin_isp1761_device,
+};
+
+int __init bfin_isp1761_init(void)
+{
+ unsigned int num_devices=ARRAY_SIZE(bfin_isp1761_devices);
+
+ printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+ set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
+
+ return platform_add_devices(bfin_isp1761_devices, num_devices);
+}
+
+void __exit bfin_isp1761_exit(void)
+{
+ platform_device_unregister(&bfin_isp1761_device);
+}
+
+arch_initcall(bfin_isp1761_init);
+#endif
+
#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
static struct resource bfin_pcmcia_cf_resources[] = {
{
diff -uprN linux-2.6-orig/arch/blackfin/mach-bf537/head.S linux-2.6/arch/blackfin/mach-bf537/head.S
--- linux-2.6-orig/arch/blackfin/mach-bf537/head.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-bf537/head.S 2007-03-05 11:57:23.000000000 +0800
@@ -240,7 +240,6 @@ ENTRY(__stext)
r0 = AMGCTLVAL;
w[p2] = r0;
ssync;
- call _real_start;
/* This section keeps the processor in supervisor mode
* during kernel boot. Switches to user mode at end of boot.
diff -uprN linux-2.6-orig/arch/blackfin/mach-bf561/boards/generic_board.c linux-2.6/arch/blackfin/mach-bf561/boards/generic_board.c
--- linux-2.6-orig/arch/blackfin/mach-bf561/boards/generic_board.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-bf561/boards/generic_board.c 2007-03-05 11:57:23.000000000 +0800
@@ -34,6 +34,8 @@
#include <linux/platform_device.h>
#include <asm/irq.h>
+char *bfin_board_name = "UNKNOWN BOARD";
+
/*
* Driver needs to know address, irq and flag pin.
*/
diff -uprN linux-2.6-orig/arch/blackfin/mach-common/cache.S linux-2.6/arch/blackfin/mach-common/cache.S
--- linux-2.6-orig/arch/blackfin/mach-common/cache.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-common/cache.S 2007-03-05 11:57:23.000000000 +0800
@@ -211,7 +211,7 @@ ENTRY(_dcache_invalidate)
/* Configures the data cache again */
- R6 = (ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
+ R6 = DMEM_CNTR;
R7 = R7 | R6;
CLI R6;
diff -uprN linux-2.6-orig/arch/blackfin/mach-common/cplbhdlr.S linux-2.6/arch/blackfin/mach-common/cplbhdlr.S
--- linux-2.6-orig/arch/blackfin/mach-common/cplbhdlr.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-common/cplbhdlr.S 2007-03-05 11:57:23.000000000 +0800
@@ -33,7 +33,11 @@
#include <asm/cplb.h>
#include <asm/entry.h>
+#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
+.section .l1.text
+#else
.text
+#endif
.type _cplb_mgr, STT_FUNC;
.type _panic_cplb_error, STT_FUNC;
diff -uprN linux-2.6-orig/arch/blackfin/mach-common/cplbmgr.S linux-2.6/arch/blackfin/mach-common/cplbmgr.S
--- linux-2.6-orig/arch/blackfin/mach-common/cplbmgr.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-common/cplbmgr.S 2007-03-05 13:54:10.000000000 +0800
@@ -55,7 +55,11 @@
#include <asm/blackfin.h>
#include <asm/cplb.h>
+#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
+.section .l1.text
+#else
.text
+#endif
.align 2;
ENTRY(_cplb_mgr)
diff -uprN linux-2.6-orig/arch/blackfin/mach-common/entry.S linux-2.6/arch/blackfin/mach-common/entry.S
--- linux-2.6-orig/arch/blackfin/mach-common/entry.S 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-common/entry.S 2007-03-05 13:39:47.000000000 +0800
@@ -79,13 +79,18 @@
# define DEBUG_STOP_HWTRACE
#endif
+#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
+.section .l1.text
+#else
.text
+#endif
/* Slightly simplified and streamlined entry point for CPLB misses.
* This one does not lower the level to IRQ5, and thus can be used to
* patch up CPLB misses on the kernel stack.
*/
ENTRY(_ex_dcplb)
+#if defined(ANOMALY_05000261)
/*
* Work around an anomaly: if we see a new DCPLB fault, return
* without doing anything. Then, if we get the same fault again,
@@ -99,6 +104,7 @@ ENTRY(_ex_dcplb)
cc = r6 == r7;
if !cc jump _return_from_exception;
/* fall through */
+#endif
ENTRY(_ex_icplb)
(R7:6,P5:4) = [sp++];
@@ -333,7 +339,7 @@ ENTRY(_trap) /* Exception: 4th entry int
[sp + PT_R0] = r7; /* return value from system call */
jump .Lsyscall_really_exit;
-ENTRY(_execve)
+ENTRY(_kernel_execve)
link SIZEOF_PTREGS;
p0 = sp;
r3 = SIZEOF_PTREGS / 4;
@@ -749,7 +755,11 @@ ENTRY(_init_exception_buff)
* a CPLB. This is needed to ensure we don't get double fault conditions
*/
+#ifdef CONFIG_SYSCALL_TAB_L1
+.section .l1.data
+#else
.data
+#endif
ALIGN
_extable:
/* entry for each EXCAUSE[5:0]
@@ -1010,7 +1020,7 @@ ENTRY(_sys_call_table)
.long _sys_getcwd
.long _sys_capget
.long _sys_capset /* 185 */
- .long _sys_ni_syscall /* old sys_sigaltstack */
+ .long _sys_sigaltstack
.long _sys_sendfile
.long _sys_ni_syscall /* streams1 */
.long _sys_ni_syscall /* streams2 */
@@ -1178,10 +1188,11 @@ _exception_stack:
.endr
_exception_stack_top:
+#if defined(ANOMALY_05000261)
/* Used by the assembly entry point to work around an anomaly. */
_last_cplb_fault_retx:
.long 0;
-
+#endif
/*
* Single instructions can have multiple faults, which need to be
* handled by traps.c, in irq5. We store the exception cause to ensure
diff -uprN linux-2.6-orig/arch/blackfin/mach-common/ints-priority-dc.c linux-2.6/arch/blackfin/mach-common/ints-priority-dc.c
--- linux-2.6-orig/arch/blackfin/mach-common/ints-priority-dc.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-common/ints-priority-dc.c 2007-03-05 13:54:10.000000000 +0800
@@ -438,6 +438,10 @@ int __init init_arch_irq(void)
return 0;
}
+#ifdef CONFIG_DO_IRQ_L1
+void do_irq(int vec, struct pt_regs *fp)__attribute__((l1_text));
+#endif
+
void do_irq(int vec, struct pt_regs *fp)
{
if (vec == EVT_IVTMR_P) {
diff -uprN linux-2.6-orig/arch/blackfin/mach-common/ints-priority-sc.c linux-2.6/arch/blackfin/mach-common/ints-priority-sc.c
--- linux-2.6-orig/arch/blackfin/mach-common/ints-priority-sc.c 2007-03-05 11:50:21.000000000 +0800
+++ linux-2.6/arch/blackfin/mach-common/ints-priority-sc.c 2007-03-05 11:57:23.000000000 +0800
@@ -547,6 +547,10 @@ int __init init_arch_irq(void)
return 0;
}
+#ifdef CONFIG_DO_IRQ_L1
+void do_irq(int vec, struct pt_regs *fp)__attribute__((l1_text));
+#endif
+
void do_irq(int vec, struct pt_regs *fp)
{
if (vec == EVT_IVTMR_P) {
diff -uprN linux-2.6-orig/include/asm-blackfin/cplbinit.h linux-2.6/include/asm-blackfin/cplbinit.h
--- linux-2.6-orig/include/asm-blackfin/cplbinit.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/cplbinit.h 2007-03-05 11:57:23.000000000 +0800
@@ -1,192 +1,205 @@
-/*
- * File: include/asm-blackfin/cplbinit.h
- * Based on:
- * Author:
- *
- * Created:
- * Description:
- *
- * Rev: $Id: cplbinit.h,v 1.3 2007/01/02 03:11:59 adamliyi Exp $
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <asm/blackfin.h>
-#include <asm/cplb.h>
-
-#define INITIAL_T 0x1
-#define SWITCH_T 0x2
-#define I_CPLB 0x4
-#define D_CPLB 0x8
-
-#define IN_KERNEL 1
-
-enum
-{ZERO_P, L1I_MEM, L1D_MEM, SDRAM_KERN , SDRAM_RAM_MTD, SDRAM_DMAZ, RES_MEM, ASYNC_MEM, L2_MEM};
-
-struct cplb_desc {
- u32 start; /* start address */
- u32 end; /* end address */
- u32 psize; /* prefered size if any otherwise 1MB or 4MB*/
- u16 attr;/* attributes */
- u16 i_conf;/* I-CPLB DATA */
- u16 d_conf;/* D-CPLB DATA */
- u16 valid;/* valid */
- const s8 name[30];/* name */
-};
-
-struct cplb_tab {
- u_long *tab;
- u16 pos;
- u16 size;
-};
-
-u_long icplb_table[MAX_CPLBS+1];
-u_long dcplb_table[MAX_CPLBS+1];
-
-/* Till here we are discussing about the static memory management model.
- * However, the operating envoronments commonly define more CPLB
- * descriptors to cover the entire addressable memory than will fit into
- * the available on-chip 16 CPLB MMRs. When this happens, the below table
- * will be used which will hold all the potentially required CPLB descriptors
- *
- * This is how Page descriptor Table is implemented in uClinux/Blackfin.
- */
-
-u_long ipdt_table[MAX_SWITCH_I_CPLBS+1];
-u_long dpdt_table[MAX_SWITCH_D_CPLBS+1];
-
-#ifdef CONFIG_CPLB_INFO
-u_long ipdt_swapcount_table[MAX_SWITCH_I_CPLBS];
-u_long dpdt_swapcount_table[MAX_SWITCH_D_CPLBS];
-#endif
-
-struct s_cplb {
- struct cplb_tab init_i;
- struct cplb_tab init_d;
- struct cplb_tab switch_i;
- struct cplb_tab switch_d;
-};
-
-#if defined(CONFIG_BLKFIN_DCACHE) || defined(CONFIG_BLKFIN_CACHE)
-static struct cplb_desc cplb_data[] = {
- {
- .start = 0,
- .end = SIZE_4K,
- .psize = SIZE_4K,
- .attr = INITIAL_T | SWITCH_T | I_CPLB | D_CPLB,
- .i_conf = SDRAM_OOPS,
- .d_conf = SDRAM_OOPS,
-#if defined(CONFIG_DEBUG_HUNT_FOR_ZERO)
- .valid = 1,
-#else
- .valid = 0,
-#endif
- .name = "ZERO Pointer Saveguard",
- },
- {
- .start = L1_CODE_START,
- .end = L1_CODE_START + L1_CODE_LENGTH,
- .psize = SIZE_4M,
- .attr = INITIAL_T | SWITCH_T | I_CPLB,
- .i_conf = L1_IMEMORY,
- .d_conf = 0,
- .valid = 1,
- .name = "L1 I-Memory",
- },
- {
- .start = L1_DATA_A_START,
- .end = L1_DATA_B_START + L1_DATA_B_LENGTH,
- .psize = SIZE_4M,
- .attr = INITIAL_T | SWITCH_T | D_CPLB,
- .i_conf = 0,
- .d_conf = L1_DMEMORY,
-#if defined(CONFIG_BF536)
- .valid = 0,
-#else
- .valid = 1,
-#endif
- .name = "L1 D-Memory",
- },
- {
- .start = 0,
- .end = 0, /* dynamic */
- .psize = 0,
- .attr = INITIAL_T | SWITCH_T | I_CPLB | D_CPLB,
- .i_conf = SDRAM_IGENERIC,
- .d_conf = SDRAM_DGENERIC,
- .valid = 1,
- .name = "SDRAM Kernel",
- },
- {
- .start = 0, /* dynamic */
- .end = 0, /* dynamic */
- .psize = 0,
- .attr = INITIAL_T | SWITCH_T | D_CPLB,
- .i_conf = SDRAM_IGENERIC,
- .d_conf = SDRAM_DNON_CHBL,
- .valid = 1,
- .name = "SDRAM RAM MTD",
- },
- {
- .start = 0, /* dynamic */
- .end = 0, /* dynamic */
- .psize = SIZE_1M,
- .attr = INITIAL_T | SWITCH_T | D_CPLB,
- .d_conf = SDRAM_DNON_CHBL,
- .valid = 1,//(DMA_UNCACHED_REGION > 0),
- .name = "SDRAM Uncached DMA ZONE",
- },
- {
- .start = 0, /* dynamic */
- .end = 0, /* dynamic */
- .psize = 0,
- .attr = SWITCH_T | D_CPLB,
- .i_conf = 0, /* dynamic */
- .d_conf = 0, /* dynamic */
- .valid = 1,
- .name = "SDRAM Reserved Memory",
- },
- {
- .start = ASYNC_BANK0_BASE,
- .end = ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE,
- .psize = 0,
- .attr = SWITCH_T | D_CPLB,
- .d_conf = SDRAM_EBIU,
- .valid = 1,
- .name = "ASYNC Memory",
- },
- {
-#if defined(CONFIG_BF561)
- .start = L2_SRAM,
- .end = L2_SRAM_END,
- .psize = SIZE_1M,
- .attr = SWITCH_T | D_CPLB,
- .i_conf = L2_MEMORY,
- .d_conf = L2_MEMORY,
- .valid = 1,
-#else
- .valid = 0,
-#endif
- .name = "L2 Memory",
- }
-};
-#endif
+/*
+ * File: include/asm-blackfin/cplbinit.h
+ * Based on:
+ * Author:
+ *
+ * Created:
+ * Description:
+ *
+ * Rev: $Id: cplbinit.h,v 1.3 2007/01/02 03:11:59 adamliyi Exp $
+ *
+ * Modified:
+ * Copyright 2004-2006 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <asm/blackfin.h>
+#include <asm/cplb.h>
+
+#define INITIAL_T 0x1
+#define SWITCH_T 0x2
+#define I_CPLB 0x4
+#define D_CPLB 0x8
+
+#define IN_KERNEL 1
+
+enum
+{ZERO_P, L1I_MEM, L1D_MEM, SDRAM_KERN , SDRAM_RAM_MTD, SDRAM_DMAZ, RES_MEM, ASYNC_MEM, L2_MEM};
+
+struct cplb_desc {
+ u32 start; /* start address */
+ u32 end; /* end address */
+ u32 psize; /* prefered size if any otherwise 1MB or 4MB*/
+ u16 attr;/* attributes */
+ u16 i_conf;/* I-CPLB DATA */
+ u16 d_conf;/* D-CPLB DATA */
+ u16 valid;/* valid */
+ const s8 name[30];/* name */
+};
+
+struct cplb_tab {
+ u_long *tab;
+ u16 pos;
+ u16 size;
+};
+
+u_long icplb_table[MAX_CPLBS+1];
+u_long dcplb_table[MAX_CPLBS+1];
+
+/* Till here we are discussing about the static memory management model.
+ * However, the operating envoronments commonly define more CPLB
+ * descriptors to cover the entire addressable memory than will fit into
+ * the available on-chip 16 CPLB MMRs. When this happens, the below table
+ * will be used which will hold all the potentially required CPLB descriptors
+ *
+ * This is how Page descriptor Table is implemented in uClinux/Blackfin.
+ */
+
+#ifdef CONFIG_CPLB_SWITCH_TAB_L1
+u_long ipdt_table[MAX_SWITCH_I_CPLBS+1]__attribute__((l1_data));
+u_long dpdt_table[MAX_SWITCH_D_CPLBS+1]__attribute__((l1_data));
+
+#ifdef CONFIG_CPLB_INFO
+u_long ipdt_swapcount_table[MAX_SWITCH_I_CPLBS]__attribute__((l1_data));
+u_long dpdt_swapcount_table[MAX_SWITCH_D_CPLBS]__attribute__((l1_data));
+#endif /* CONFIG_CPLB_INFO */
+
+#else
+
+u_long ipdt_table[MAX_SWITCH_I_CPLBS+1];
+u_long dpdt_table[MAX_SWITCH_D_CPLBS+1];
+
+#ifdef CONFIG_CPLB_INFO
+u_long ipdt_swapcount_table[MAX_SWITCH_I_CPLBS];
+u_long dpdt_swapcount_table[MAX_SWITCH_D_CPLBS];
+#endif /* CONFIG_CPLB_INFO */
+
+#endif /*CONFIG_CPLB_SWITCH_TAB_L1*/
+
+struct s_cplb {
+ struct cplb_tab init_i;
+ struct cplb_tab init_d;
+ struct cplb_tab switch_i;
+ struct cplb_tab switch_d;
+};
+
+#if defined(CONFIG_BLKFIN_DCACHE) || defined(CONFIG_BLKFIN_CACHE)
+static struct cplb_desc cplb_data[] = {
+ {
+ .start = 0,
+ .end = SIZE_4K,
+ .psize = SIZE_4K,
+ .attr = INITIAL_T | SWITCH_T | I_CPLB | D_CPLB,
+ .i_conf = SDRAM_OOPS,
+ .d_conf = SDRAM_OOPS,
+#if defined(CONFIG_DEBUG_HUNT_FOR_ZERO)
+ .valid = 1,
+#else
+ .valid = 0,
+#endif
+ .name = "ZERO Pointer Saveguard",
+ },
+ {
+ .start = L1_CODE_START,
+ .end = L1_CODE_START + L1_CODE_LENGTH,
+ .psize = SIZE_4M,
+ .attr = INITIAL_T | SWITCH_T | I_CPLB,
+ .i_conf = L1_IMEMORY,
+ .d_conf = 0,
+ .valid = 1,
+ .name = "L1 I-Memory",
+ },
+ {
+ .start = L1_DATA_A_START,
+ .end = L1_DATA_B_START + L1_DATA_B_LENGTH,
+ .psize = SIZE_4M,
+ .attr = INITIAL_T | SWITCH_T | D_CPLB,
+ .i_conf = 0,
+ .d_conf = L1_DMEMORY,
+#if ((L1_DATA_A_LENGTH > 0) || (L1_DATA_B_LENGTH > 0))
+ .valid = 1,
+#else
+ .valid = 0,
+#endif
+ .name = "L1 D-Memory",
+ },
+ {
+ .start = 0,
+ .end = 0, /* dynamic */
+ .psize = 0,
+ .attr = INITIAL_T | SWITCH_T | I_CPLB | D_CPLB,
+ .i_conf = SDRAM_IGENERIC,
+ .d_conf = SDRAM_DGENERIC,
+ .valid = 1,
+ .name = "SDRAM Kernel",
+ },
+ {
+ .start = 0, /* dynamic */
+ .end = 0, /* dynamic */
+ .psize = 0,
+ .attr = INITIAL_T | SWITCH_T | D_CPLB,
+ .i_conf = SDRAM_IGENERIC,
+ .d_conf = SDRAM_DNON_CHBL,
+ .valid = 1,
+ .name = "SDRAM RAM MTD",
+ },
+ {
+ .start = 0, /* dynamic */
+ .end = 0, /* dynamic */
+ .psize = SIZE_1M,
+ .attr = INITIAL_T | SWITCH_T | D_CPLB,
+ .d_conf = SDRAM_DNON_CHBL,
+ .valid = 1,//(DMA_UNCACHED_REGION > 0),
+ .name = "SDRAM Uncached DMA ZONE",
+ },
+ {
+ .start = 0, /* dynamic */
+ .end = 0, /* dynamic */
+ .psize = 0,
+ .attr = SWITCH_T | D_CPLB,
+ .i_conf = 0, /* dynamic */
+ .d_conf = 0, /* dynamic */
+ .valid = 1,
+ .name = "SDRAM Reserved Memory",
+ },
+ {
+ .start = ASYNC_BANK0_BASE,
+ .end = ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE,
+ .psize = 0,
+ .attr = SWITCH_T | D_CPLB,
+ .d_conf = SDRAM_EBIU,
+ .valid = 1,
+ .name = "ASYNC Memory",
+ },
+ {
+#if defined(CONFIG_BF561)
+ .start = L2_SRAM,
+ .end = L2_SRAM_END,
+ .psize = SIZE_1M,
+ .attr = SWITCH_T | D_CPLB,
+ .i_conf = L2_MEMORY,
+ .d_conf = L2_MEMORY,
+ .valid = 1,
+#else
+ .valid = 0,
+#endif
+ .name = "L2 Memory",
+ }
+};
+#endif
diff -uprN linux-2.6-orig/include/asm-blackfin/delay.h linux-2.6/include/asm-blackfin/delay.h
--- linux-2.6-orig/include/asm-blackfin/delay.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/delay.h 2007-03-05 11:57:23.000000000 +0800
@@ -7,10 +7,11 @@ static inline void __delay(unsigned long
/* FIXME: Currently the assembler doesn't recognize Loop Register Clobbers,
uncomment this as soon those are implemented */
/*
- __asm__ __volatile__ ( "\t LSETUP (1,1) LC0= %0\n\t"
- "l:\t NOP;\n\t"
+ __asm__ __volatile__ ( "\t LSETUP (1f,1f) LC0= %0\n\t"
+ "1:\t NOP;\n\t"
: :"a" (loops)
: "LT0","LB0","LC0");
+
*/
__asm__ __volatile__("[--SP] = LC0;\n\t"
diff -uprN linux-2.6-orig/include/asm-blackfin/dma-mapping.h linux-2.6/include/asm-blackfin/dma-mapping.h
--- linux-2.6-orig/include/asm-blackfin/dma-mapping.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/dma-mapping.h 2007-03-05 11:57:23.000000000 +0800
@@ -65,4 +65,9 @@ static inline
BUG_ON(direction == DMA_NONE);
}
+/* Now for the API extensions over the pci_ one */
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+
#endif /* _BLACKFIN_DMA_MAPPING_H */
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf533/bf533.h linux-2.6/include/asm-blackfin/mach-bf533/bf533.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf533/bf533.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf533/bf533.h 2007-03-05 13:54:10.000000000 +0800
@@ -53,15 +53,6 @@
/***************************/
-#define BLKFIN_ICACHESIZE (16*1024)
-
-#if defined(CONFIG_BF533) || defined(CONFIG_BF532)
-#define BLKFIN_DCACHESIZE (32*1024)
-#define BLKFIN_DSUPBANKS 2
-#else
-#define BLKFIN_DCACHESIZE (16*1024)
-#define BLKFIN_DSUPBANKS 1
-#endif
#define BLKFIN_DSUBBANKS 4
#define BLKFIN_DWAYS 2
@@ -280,7 +271,7 @@
| CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
#endif
-#define L1_DMEMORY (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY)
+#define L1_DMEMORY (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
#define SDRAM_DNON_CHBL (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY)
#define SDRAM_EBIU (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY)
#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf533/mem_map.h linux-2.6/include/asm-blackfin/mach-bf533/mem_map.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf533/mem_map.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf533/mem_map.h 2007-03-05 11:57:23.000000000 +0800
@@ -52,6 +52,12 @@
/* Level 1 Memory */
+#ifdef CONFIG_BLKFIN_CACHE
+#define BLKFIN_ICACHESIZE (16*1024)
+#else
+#define BLKFIN_ICACHESIZE (0*1024)
+#endif
+
/* Memory Map for ADSP-BF533 processors */
#ifdef CONFIG_BF533
@@ -66,18 +72,28 @@
#endif
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+
+#ifdef CONFIG_BLKFIN_DCACHE_BANKA
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH 0x8000
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
-#define L1_DATA_A_LENGTH 0x8000
+#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
+#define BLKFIN_DCACHESIZE (32*1024)
+#define BLKFIN_DSUPBANKS 2
#endif
-#ifdef CONFIG_BLKFIN_DCACHE
-#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
#else
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH 0x8000
#define L1_DATA_B_LENGTH 0x8000
-#endif
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
+#endif /*CONFIG_BLKFIN_DCACHE*/
#endif
/* Memory Map for ADSP-BF532 processors */
@@ -94,18 +110,29 @@
#endif
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+
+#ifdef CONFIG_BLKFIN_DCACHE_BANKA
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x4000 - 0x4000)
+#define L1_DATA_B_LENGTH 0x4000
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
+
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
-#define L1_DATA_A_LENGTH 0x4000
+#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH (0x4000 - 0x4000)
+#define L1_DATA_B_LENGTH (0x4000 - 0x4000)
+#define BLKFIN_DCACHESIZE (32*1024)
+#define BLKFIN_DSUPBANKS 2
#endif
-#ifdef CONFIG_BLKFIN_DCACHE
-#define L1_DATA_B_LENGTH (0x4000 - 0x4000)
#else
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH 0x4000
#define L1_DATA_B_LENGTH 0x4000
-#endif
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
+#endif /*CONFIG_BLKFIN_DCACHE*/
#endif
/* Memory Map for ADSP-BF531 processors */
@@ -116,13 +143,20 @@
#define L1_DATA_B_START 0xFF904000
#define L1_CODE_LENGTH 0x4000
#define L1_DATA_B_LENGTH 0x0000
+
+
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB)
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x4000 - 0x4000)
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB)
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH 0x4000
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
#endif
+
#endif
/* Scratch Pad Memory */
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf537/bf537.h linux-2.6/include/asm-blackfin/mach-bf537/bf537.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf537/bf537.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf537/bf537.h 2007-03-05 11:57:23.000000000 +0800
@@ -63,15 +63,6 @@
/***************************/
-#define BLKFIN_ICACHESIZE (16*1024)
-
-#if defined(CONFIG_BF537) || defined(CONFIG_BF534)
-#define BLKFIN_DCACHESIZE (32*1024)
-#define BLKFIN_DSUPBANKS 2
-#else
-#define BLKFIN_DCACHESIZE (16*1024)
-#define BLKFIN_DSUPBANKS 1
-#endif
#define BLKFIN_DSUBBANKS 4
#define BLKFIN_DWAYS 2
@@ -261,7 +252,7 @@
#endif
-#define L1_DMEMORY (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY )
+#define L1_DMEMORY (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY )
#define SDRAM_DNON_CHBL (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY )
#define SDRAM_EBIU (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY )
#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY )
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf537/defBF534.h linux-2.6/include/asm-blackfin/mach-bf537/defBF534.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf537/defBF534.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf537/defBF534.h 2007-03-05 11:57:23.000000000 +0800
@@ -1171,7 +1171,7 @@
#define GM 0x0008 /* Get More (When RDBR Full, Overwrite/Discard*) */
#define PSSE 0x0010 /* Slave-Select Input Enable */
#define EMISO 0x0020 /* Enable MISO As Output */
-#define SIZE 0x0100 /* Size of Words (16/8* Bits) */
+#define SPI_SIZE 0x0100 /* Size of Words (16/8* Bits) */
#define LSBF 0x0200 /* LSB First */
#define CPHA 0x0400 /* Clock Phase */
#define CPOL 0x0800 /* Clock Polarity */
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf537/mem_map.h linux-2.6/include/asm-blackfin/mach-bf537/mem_map.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf537/mem_map.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf537/mem_map.h 2007-03-05 11:57:23.000000000 +0800
@@ -59,6 +59,13 @@
/* Memory Map for ADSP-BF537 processors */
+#ifdef CONFIG_BLKFIN_CACHE
+#define BLKFIN_ICACHESIZE (16*1024)
+#else
+#define BLKFIN_ICACHESIZE (0*1024)
+#endif
+
+
#ifdef CONFIG_BF537
#define L1_CODE_START 0xFFA00000
#define L1_DATA_A_START 0xFF800000
@@ -67,20 +74,30 @@
#define L1_CODE_LENGTH 0xC000
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+
+#ifdef CONFIG_BLKFIN_DCACHE_BANKA
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH 0x8000
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
-#define L1_DATA_A_LENGTH 0x8000
+#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
+#define BLKFIN_DCACHESIZE (32*1024)
+#define BLKFIN_DSUPBANKS 2
#endif
-#ifdef CONFIG_BLKFIN_DCACHE
-#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
#else
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH 0x8000
#define L1_DATA_B_LENGTH 0x8000
-#endif
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
+#endif /*CONFIG_BLKFIN_DCACHE*/
-#endif
+#endif /*CONFIG_BF537*/
/* Memory Map for ADSP-BF536 processors */
@@ -91,19 +108,31 @@
#define L1_CODE_LENGTH 0xC000
+
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB)
+
+#ifdef CONFIG_BLKFIN_DCACHE_BANKA
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x4000 - 0x4000)
+#define L1_DATA_B_LENGTH 0x4000
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
+
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB)
-#define L1_DATA_A_LENGTH 0x4000
+#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH (0x4000 - 0x4000)
+#define L1_DATA_B_LENGTH (0x4000 - 0x4000)
+#define BLKFIN_DCACHESIZE (32*1024)
+#define BLKFIN_DSUPBANKS 2
#endif
-#ifdef CONFIG_BLKFIN_DCACHE
-#define L1_DATA_B_LENGTH (0x4000 - 0x4000)
#else
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH 0x4000
#define L1_DATA_B_LENGTH 0x4000
-#endif
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
+#endif /*CONFIG_BLKFIN_DCACHE*/
#endif
@@ -118,18 +147,28 @@
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#ifdef CONFIG_BLKFIN_DCACHE_BANKA
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH 0x8000
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
+
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
-#define L1_DATA_A_LENGTH 0x8000
-#endif
-#ifdef CONFIG_BLKFIN_DCACHE
+#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
+#define BLKFIN_DCACHESIZE (32*1024)
+#define BLKFIN_DSUPBANKS 2
+#endif
#else
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH 0x8000
#define L1_DATA_B_LENGTH 0x8000
-#endif
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
+#endif /*CONFIG_BLKFIN_DCACHE*/
#endif
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf561/bf561.h linux-2.6/include/asm-blackfin/mach-bf561/bf561.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf561/bf561.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf561/bf561.h 2007-03-05 13:54:10.000000000 +0800
@@ -74,14 +74,11 @@
* Blackfin Cache setup
*/
-#define BLKFIN_ICACHESIZE (16*1024)
-#define BLKFIN_DCACHESIZE (32*1024)
#define BLKFIN_ISUBBANKS 4
#define BLKFIN_IWAYS 4
#define BLKFIN_ILINES 32
-#define BLKFIN_DSUPBANKS 2
#define BLKFIN_DSUBBANKS 4
#define BLKFIN_DWAYS 2
#define BLKFIN_DLINES 64
@@ -351,7 +348,7 @@
#endif
-#define L1_DMEMORY (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY)
+#define L1_DMEMORY (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
#define SDRAM_DNON_CHBL (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY)
#define SDRAM_EBIU (CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_DIRTY)
#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
diff -uprN linux-2.6-orig/include/asm-blackfin/mach-bf561/mem_map.h linux-2.6/include/asm-blackfin/mach-bf561/mem_map.h
--- linux-2.6-orig/include/asm-blackfin/mach-bf561/mem_map.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/mach-bf561/mem_map.h 2007-03-05 11:57:23.000000000 +0800
@@ -23,6 +23,12 @@
/* Level 1 Memory */
+#ifdef CONFIG_BLKFIN_CACHE
+#define BLKFIN_ICACHESIZE (16*1024)
+#else
+#define BLKFIN_ICACHESIZE (0*1024)
+#endif
+
/* Memory Map for ADSP-BF561 processors */
#ifdef CONFIG_BF561
@@ -33,18 +39,28 @@
#define L1_CODE_LENGTH 0x4000
#ifdef CONFIG_BLKFIN_DCACHE
-#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+
+#ifdef CONFIG_BLKFIN_DCACHE_BANKA
+#define DMEM_CNTR (ACACHE_BSRAM | ENDCPLB | PORT_PREF0)
#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH 0x8000
+#define BLKFIN_DCACHESIZE (16*1024)
+#define BLKFIN_DSUPBANKS 1
#else
-#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
-#define L1_DATA_A_LENGTH 0x8000
+#define DMEM_CNTR (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH (0x8000 - 0x4000)
+#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
+#define BLKFIN_DCACHESIZE (32*1024)
+#define BLKFIN_DSUPBANKS 2
#endif
-#ifdef CONFIG_BLKFIN_DCACHE
-#define L1_DATA_B_LENGTH (0x8000 - 0x4000)
#else
+#define DMEM_CNTR (ASRAM_BSRAM | ENDCPLB | PORT_PREF0)
+#define L1_DATA_A_LENGTH 0x8000
#define L1_DATA_B_LENGTH 0x8000
-#endif
+#define BLKFIN_DCACHESIZE (0*1024)
+#define BLKFIN_DSUPBANKS 0
+#endif /*CONFIG_BLKFIN_DCACHE*/
#endif
/* Level 2 Memory */
diff -uprN linux-2.6-orig/include/asm-blackfin/pgtable.h linux-2.6/include/asm-blackfin/pgtable.h
--- linux-2.6-orig/include/asm-blackfin/pgtable.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/pgtable.h 2007-03-05 11:57:23.000000000 +0800
@@ -59,4 +59,12 @@ extern unsigned int kobjsize(const void
#define VMALLOC_START 0
#define VMALLOC_END 0xffffffff
+#define __HAVE_ARCH_ENTER_LAZY_CPU_MODE
+#define arch_enter_lazy_cpu_mode() do {} while (0)
+#define arch_leave_lazy_cpu_mode() do {} while (0)
+
+#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
+#define arch_enter_lazy_mmu_mode() do {} while (0)
+#define arch_leave_lazy_mmu_mode() do {} while (0)
+
#endif /* _BLACKFIN_PGTABLE_H */
diff -uprN linux-2.6-orig/include/asm-blackfin/uaccess.h linux-2.6/include/asm-blackfin/uaccess.h
--- linux-2.6-orig/include/asm-blackfin/uaccess.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/uaccess.h 2007-03-05 11:57:23.000000000 +0800
@@ -41,48 +41,15 @@ extern int is_in_rom(unsigned long);
* get_fs() == KERNEL_DS, checking is bypassed.
*/
-static inline int _access_ok(unsigned long addr, unsigned long size)
-{
#ifdef CONFIG_NO_ACCESS_CHECK
- return 1;
+static inline int _access_ok(unsigned long addr, unsigned long size) { return 1; }
#else
- if (addr > (addr + size))
- return 0;
- if (segment_eq(get_fs(),KERNEL_DS))
- return 1;
-#ifdef CONFIG_MTD_UCLINUX
- if (addr >= memory_start && (addr + size) <= memory_end)
- return 1;
- if (addr >= memory_mtd_end && (addr + size) <= physical_mem_end)
- return 1;
+#ifdef CONFIG_ACCESS_OK_L1
+extern int _access_ok(unsigned long addr, unsigned long size)__attribute__((l1_text));
#else
- if (addr >= memory_start && (addr + size) <= physical_mem_end)
- return 1;
-#endif
- if (addr >= (unsigned long)__init_begin &&
- addr + size <= (unsigned long)__init_end)
- return 1;
- if (addr >= L1_SCRATCH_START
- && addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH)
- return 1;
-#if L1_CODE_LENGTH != 0
- if (addr >= L1_CODE_START + (_etext_l1 - _stext_l1)
- && addr + size <= L1_CODE_START + L1_CODE_LENGTH)
- return 1;
-#endif
-#if L1_DATA_A_LENGTH != 0
- if (addr >= L1_DATA_A_START + (_ebss_l1 - _sdata_l1)
- && addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH)
- return 1;
+extern int _access_ok(unsigned long addr, unsigned long size);
#endif
-#if L1_DATA_B_LENGTH != 0
- if (addr >= L1_DATA_B_START
- && addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)
- return 1;
#endif
- return 0;
-#endif
-}
/*
* The exception table consists of pairs of addresses: the first is the
diff -uprN linux-2.6-orig/include/asm-blackfin/unistd.h linux-2.6/include/asm-blackfin/unistd.h
--- linux-2.6-orig/include/asm-blackfin/unistd.h 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/include/asm-blackfin/unistd.h 2007-03-05 11:57:23.000000000 +0800
@@ -188,7 +188,7 @@
#define __NR_getcwd 183
#define __NR_capget 184
#define __NR_capset 185
- /* 186 __NR_sigaltstack obsolete */
+#define __NR_sigaltstack 186
#define __NR_sendfile 187
/* 188 __NR_getpmsg */
/* 189 __NR_putpmsg */
diff -uprN linux-2.6-orig/include/asm-blackfin/xor.h linux-2.6/include/asm-blackfin/xor.h
--- linux-2.6-orig/include/asm-blackfin/xor.h 1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6/include/asm-blackfin/xor.h 2007-03-05 11:57:23.000000000 +0800
@@ -0,0 +1 @@
+#include <asm-generic/xor.h>
diff -uprN linux-2.6-orig/init/Kconfig linux-2.6/init/Kconfig
--- linux-2.6-orig/init/Kconfig 2007-03-05 11:50:22.000000000 +0800
+++ linux-2.6/init/Kconfig 2007-03-05 11:57:23.000000000 +0800
@@ -336,7 +336,7 @@ menuconfig EMBEDDED
config UID16
bool "Enable 16-bit UID system calls" if EMBEDDED
- depends on ARM || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION) || BFIN
+ depends on ARM || BFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && SPARC32_COMPAT) || UML || (X86_64 && IA32_EMULATION)
default y
help
This enables the legacy 16-bit UID syscall wrappers.
@@ -443,7 +443,6 @@ config FUTEX
config EPOLL
bool "Enable eventpoll support" if EMBEDDED
default y
- depends on MMU
help
Disabling this option will cause the kernel to be built without
support for epoll family of system calls.
_
Thanks
-Bryan Wu
-
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